Centrifugal fan is a mechanical device that relies on input mechanical energy to increase air pressure and discharge air. It is a passive fluid machinery.
Centrifugal fans are widely used for ventilation, dust removal, and cooling in factories, mines, tunnels, cooling towers, vehicles, ships, and buildings.
Application
| Ventilation and induced draft for boilers and industrial furnaces |
| Cooling and ventilation in air conditioning equipment and household appliances |
| Wind source for wind tunnel and propulsion for hovercraft |
Classification
| Divided by | Classified | |
| working pressure | Low pressure | P≤980Pa |
| Middle pressure | 980Pa≤P≤2942Pa | |
| High pressure | 2942Pa≤P≤14710Pa | |
| inlet type | Double inlet | |
| Single inlet | ||
| blade structure | Forward curved | |
| Backward curved | ||
Component
| impeller | volute | ||
| Air guide circle | Shaft and bearing |
